They come to a river on the Cassange called Dua, drink the infusion of a poisonous tree, and perish unknown.
A woman was accused by a brother-in-law of being the cause of his sickness while we were at Cassange.

She offered to take the ordeal, as she had the idea that it would but prove her conscious innocence.
Captain Neves refused his consent to her going, and thus saved her life, which would have been sacrificed, for the poison is very virulent.

When a strong stomach rejects it, the accuser reiterates his charge; the dose is repeated, and the person dies.

Hundreds perish thus every year in the valley of Cassange.
The same superstitious ideas being prevalent through the whole of the country north of the Zambesi, seems to indicate that the people must originally have been one.

All believe that the souls of the departed still mingle among the living, and partake in some way of the food they consume.